nCavezon(Man) A kind of noseband used in breaking and training horses.
Century Dictionary and Cyclopedia
ncavezonA sort of nose-band of iron, leather, or wood, sometimes flat and sometimes hollow or twisted, which is put on the nose of a horse to wring it, in order to facilitate breaking him. Also called causson.
Webster's Revised Unabridged Dictionary
F. caveçon, augm. fr. LL. capitium, a head covering hood, fr. L. caput, head. Cf. Caberzon